Digital marketing calculators
LTV:CAC Calculator.
Compare the value generated by a customer with the cost of acquiring them. Use contribution-based LTV where possible and treat the ratio as one diagnostic rather than a universal benchmark.
Browser-based tool
Use LTV:CAC
Nothing you enter here is sent to a Website-Me server.
01 / use the tool
How to use LTV:CAC
- Enter the values you know in the form.
- Run the tool and review the result alongside the notes below.
02 / interpret the output
What the result means
The ratio is LTV divided by CAC. Payback months are CAC divided by monthly gross profit per customer.
Important considerations
- LTV estimates can be highly sensitive to retention, margin and attribution assumptions.
- There is no universal healthy LTV:CAC ratio for every business model.
- The result does not model cash flow timing, cohorts or expansion revenue.
Worked example
A £600 contribution-based LTV and £150 CAC gives a 4.00 ratio; £50 monthly gross profit implies a 3-month payback.
03 / continue working
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04 / relevant support
Need help applying the result?
The tool is a useful starting point. Website-Me can help connect the next step to the wider site, SEO or GEO work.